//
//  UIColor+ESExtension.m
//  ElectricSilverDelegate
//
//  Created by Jinniu on 2020/3/20.
//  Copyright © 2020 Jinniu. All rights reserved.
//

#import "UIColor+ESExtension.h"

@implementation UIColor (ESExtension)
+(UIColor*)normalColor:(UIColor*)nc darkColor:(UIColor*)dc{
    if (@available(iOS 13.0, *)) {
        UIColor *dyColor = [UIColor colorWithDynamicProvider:^UIColor * _Nonnull(UITraitCollection * _Nonnull traitCollection) {
            if (traitCollection.userInterfaceStyle == UIUserInterfaceStyleLight) {
                return nc;
            }else {
                return dc;
            }
        }];
        return dyColor;
    }else{
        return nc;
    }
}
+(UIColor*)dl_rgbColorR:(NSInteger)r g:(NSInteger)g b:(NSInteger)b{
    return [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0];
}

+(UIColor*)dl_rgbColorR:(NSInteger)r g:(NSInteger)g b:(NSInteger)b a:(CGFloat)a{
    return [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:a];
}
+(UIColor *)dl_randomColor{
    return [self dl_rgbColorR:arc4random_uniform(255) g:arc4random_uniform(255) b:arc4random_uniform(255)];
}

+ (instancetype)dl_colorFromHexString:(NSString *)hexStr {
    
    NSString *cString = [[hexStr stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
    // String should be 6 or 8 characters
    if ([cString length] < 6) {
        return [UIColor clearColor];
    }
    // strip 0X if it appears
    if ([cString hasPrefix:@"0X"]) {
        cString = [cString substringFromIndex:2];
    }
    if ([cString hasPrefix:@"#"]) {
        cString = [cString substringFromIndex:1];
    }
    if ([cString length] != 6) {
        return [UIColor clearColor];
    }
    // Separate into r, g, b substrings
    NSRange range;
    range.location = 0;
    range.length = 2;
    
    //r
    NSString *rString = [cString substringWithRange:range];
    
    //g
    range.location = 2;
    NSString *gString = [cString substringWithRange:range];
    
    //b
    range.location = 4;
    NSString *bString = [cString substringWithRange:range];
    
    // Scan values
    unsigned int r, g, b;
    [[NSScanner scannerWithString:rString] scanHexInt:&r];
    [[NSScanner scannerWithString:gString] scanHexInt:&g];
    [[NSScanner scannerWithString:bString] scanHexInt:&b];
    
    return [UIColor colorWithRed:((float) r / 255.0f) green:((float) g / 255.0f) blue:((float) b / 255.0f) alpha:1.0f];
}

@end
